BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 86 55.1%
2 China 23 14.7%
3 Germany 16 10.3%
4 Netherlands 12 7.7%
5 Hong Kong 5 3.2%
6 Taiwan 4 2.6%
7 Canada 3 1.9%
8 Singapore 3 1.9%
9 United Kingdom 2 1.3%
10 Portugal 1 0.6%
11 France 1 0.6%